One of the use cases captured during the work of the async task force
involved a mobile phone or other such mobile device. In this scenario,
the phone would send a dummy HTTP request to an HTTP server. The HTTP
/response/ to that request would contain a SOAP /request /message. The
phone would then process the request and make a second HTTP request to
the server. This /request/ would contain the phone's SOAP /response
/message.
This uses a single protocol (HTTP), with multiple connections, and was
put forth as a scenario at least one party (Nokia, as I recall?) would
be interested in seeing supported. Can this scenario be handled by any
of the present proposals? If not, do we have a plausible theory about
how we would handle it?
As usual, I would tend to regard "use extensibility" with no further
detail as "we don't have a theory."